Lucent DDM-2000 OC-3 User And Service Manual page 245

NTP-025
: Circuit Order
Page 5 of 8
DO ITEMS BELOW IN ORDER LISTED. . . . . FOR DETAILS, GO TO
25. At the starting OC-3 NODE (NODE 5, OC-3), test protection
switching and optical fiber integrity by disconnecting and
reconnecting, one at a time, the MAIN 1 and MAIN 2(P) OLIU
fiber connections. Wait until alarms clear between disconnecting
the fibers.
Figure 1 – Basic 3-Node OC-12 Ring for Ring Upgrade
DDM-2000 OC-3 M
Issue 2, February 2000
ULTIPLEXER
363-206-285